#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define maxLen 1000000
#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define I(x, y, z) ((y) ^ ((x) | (~z)))

const unsigned int A = 0x67452301;
const unsigned int B = 0xEFCDAB89;
const unsigned int C = 0x98BADCFE;
const unsigned int D = 0x10325476;


const unsigned int T[64] = {
    0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
    0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
    0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
    0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
    0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
    0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
    0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
    0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
    0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
    0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
    0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
    0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
    0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
    0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
    0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
    0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
};

const unsigned int s[64] = {
    7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 
    5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
    4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
    6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21
};

const unsigned int ipad[16] = {
    0x36363636, 0x36363636, 0x36363636, 0x36363636,
    0x36363636, 0x36363636, 0x36363636, 0x36363636,
    0x36363636, 0x36363636, 0x36363636, 0x36363636,
    0x36363636, 0x36363636, 0x36363636, 0x36363636
};

const unsigned int opad[16] = {
    0x5c5c5c5c, 0x5c5c5c5c, 0x5c5c5c5c, 0x5c5c5c5c, 
    0x5c5c5c5c, 0x5c5c5c5c, 0x5c5c5c5c, 0x5c5c5c5c, 
    0x5c5c5c5c, 0x5c5c5c5c, 0x5c5c5c5c, 0x5c5c5c5c, 
    0x5c5c5c5c, 0x5c5c5c5c, 0x5c5c5c5c, 0x5c5c5c5c
};

const unsigned int padding[48] = {
    0x00000080, 0x00000000, 0x00000000, 0x00000000,
    0x00000000, 0x00000000, 0x00000000, 0x00000000,
    0x00000000, 0x00000000, 0x00000280, 0x00000000
};

